Add buildroot 2018-02

buildroot/package/strace/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_STRACE
+	bool "strace"
+	# needs at least kernel headers 4.0 on nios2
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0 || !BR2_nios2
+	help
+	  A useful diagnostic, instructional, and debugging tool.
+	  Allows you to track what system calls a program makes
+	  while it is running.
+
+	  https://strace.io
+
+comment "strace needs a toolchain w/ headers >= 4.0 on nios2"
+	depends on BR2_nios2
+	depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0

buildroot/package/strace/strace.hash

@@ -0,0 +1,7 @@
+# From https://sourceforge.net/projects/strace/files/strace/4.20/
+md5	f2271ab0fac49ebee9cbd7f3469227cb	strace-4.20.tar.xz
+sha1	9cebc754af3434e4027a07745770892f685c0316	strace-4.20.tar.xz
+# Locally calculated after checking signature
+# https://sourceforge.net/projects/strace/files/strace/4.20/strace-4.20.tar.xz.asc
+sha256	5bf3148dd17306a42566f7da17368fdd781afa147db05ea63a4ca2b50f58c523	strace-4.20.tar.xz
+sha256	ea7ff222f36c9df0aa2924a8f7c7d2aec3ea11e752feba4b15ec79b695b6236a	COPYING

buildroot/package/strace/strace.mk

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+################################################################################
+#
+# strace
+#
+################################################################################
+
+STRACE_VERSION = 4.20
+STRACE_SOURCE = strace-$(STRACE_VERSION).tar.xz
+STRACE_SITE = http://downloads.sourceforge.net/project/strace/strace/$(STRACE_VERSION)
+STRACE_LICENSE = BSD-3-Clause
+STRACE_LICENSE_FILES = COPYING
+
+# strace bundle some kernel headers to build libmpers, this mixes userspace
+# headers and kernel headers which break the build with musl.
+# The stddef.h from gcc is used instead of the one from musl.
+ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
+STRACE_CONF_OPTS += st_cv_m32_mpers=no \
+	st_cv_mx32_mpers=no
+endif
+
+define STRACE_REMOVE_STRACE_GRAPH
+	rm -f $(TARGET_DIR)/usr/bin/strace-graph
+endef
+
+STRACE_POST_INSTALL_TARGET_HOOKS += STRACE_REMOVE_STRACE_GRAPH
+
+$(eval $(autotools-package))